It would be B, contour plowing
Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration
Answer:
In favourable environments you might find birds laying more eggs, and a greater likelihood of multiple successful clutches. There are also birds like Bald Eagles, that start mating in early January and can lay eggs before Spring officially comes. 13. Food Availability. The amount of food available has an affect on bird mating cycles.
Explanation:
The seeds are enclosed because it's the plants way of protecting them.
